University Of Arizona

ATMO 005

Practice Quiz

1)Many homes have smoke alarms. For about $50 you can purchase an alarm that will warn you of a potentially deadly buildup of_____________, a colorless, odorless, toxic gas.

2. The atmospheric concentration of carbon dioxide is slowly increasing. There is concern that this might make ocean water more ___________________.

3. Dew point temperature provides a measure of ______________

concentration in the air.

4. You would expect to find the highest concentration of photochemical smog on a_______________ day in the __________________.

5. The earth’s original atmosphere was composed mainly of hydrogen and helium.

6. The word smog was originally used to refer to a hazardous mixture of smoke and_____________

7. If you carry an object from the earth to the moon, the object’s

______________will change.

8. When sufficient amounts of oxygen began to build up in the atmosphere and ______________  began to form and started absorbing the ultraviolet light, plant life was able to move from the ocean into land.

9. _____________ scatter shorter wavelengths in sunlight more readily than longer wavelengths.

10. You need oxygen (O2) and _____________ to make ozone in the stratosphere. In the troposphere ozone and _____________ react to form photochemical smog.

11. Average atmospheric pressure at sea level is about 1000 ______________

12. An inversion is a stable layer in the atmosphere where___________________increases with increasing altitudes.

13. An object with _____________ would have the highest density.

14. ___________  is found in London-type smog.  ____________   can react with water in clouds to form acid rain.

15. An increase in the amount of ___________ in the air might change the color of the sky from a deep blue to bluish-white.

16. An air quality index (AQI) value near 0 would mean the air was very __________

17. Particulate matter if often the most noticeable type of air pollutant. __________ are probably the best way of removing particulates from the air.

18. Oxygenated fuels are used in automobiles during the winter months in Tucson to reduce vehicular emissions of _______________.

19. 95% (or more) of the air we breathe is composed of ______________.

20. ____________ is considered to be the world’s first recognized air pollutant.